... the keys and doors. The precious Emerald
is ofcourse Green. Steal the emerald and escape from the building
before the cops arrive.
Use Arrow Keys to move. Stay alert from the laser beams and cameras ...

... the
store disguised as a customer and reach the jewel. Use the Arrow Keys
to move. Reach the jewel and pick it up by pressing the Space Bar. Then
make your way safely out of the store to proceed to ...